Jean K. Miller, Ph.D. Illustrated handbook with detailed instructions for sensorial presentations and notation introduction. For use with Item Number: 568200 - Bells Support...
19 real pictures showing opposite concepts such as night/day, or tall/short. Used to generate discussions and to familiarize children with new vocabulary and even more complex...
The Baric Tablets introduce and refine the concept of the baric sense. While blindfolded, the child endeavors to discern the weight of the tablets. Error is controlled by the...